This Covert Non-Metallic Handcuff Key is one of the most popular hide-out handcuff keys available. Designed for inconspicuous carrying, this tiny, lightweight handcuff key is made from a special non-metallic composite material that is hard to detect. It's also built with a unique lanyard hole that allows it to be sewn into or suspended from your clothing or gear. We recommend this covert handcuff key for anyone working undercover or assigned in a hostile environment. It's especially important for law enforcement personnel because it ensures that professionals cannot be restrained using their own handcuffs. This is a black, .5-inch by .8-inch key that weighs just .014 ounces. Made in the U.S.